GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the lines in order the avoid possible system contamination.


    Object Number: 1837996  Size: SH
  1. Remove the fuel fill cap.
  2. Drain the fuel tank. Refer to Fuel Tank Draining .
  3. Remove the right rear wheelhouse liner. Refer to Rear Wheelhouse Panel Liner Replacement .
  4. Remove the fuel tank fill pipe screws (1) from the fuel tank fill pipe housing.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  6. Remove the fuel tank fill pipe bolt (2) from the underbody side rail.

  7. Object Number: 1795261  Size: SH
  8. Loosen the fuel fill pipe hose clamp (3) at the fuel tank.
  9. Separate the fuel fill pipe hose from the fuel tank.
  10. Disconnect the fuel tank fill EVAP emission pipe quick connect fitting (2) from the fuel tank vent pipe (1). Refer to Plastic Collar Quick Connect Fitting Service .
  11. Remove the fuel tank fill pipe.

Installation Procedure


    Object Number: 1795261  Size: SH
  1. Install the fuel tank fill pipe.
  2. Install the fuel fill pipe hose to the fuel tank.
  3. Connect the fuel tank fill EVAP emission pipe quick connect fitting (2) to the fuel tank vent pipe (1). Refer to Plastic Collar Quick Connect Fitting Service .
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Tighten the fuel fill pipe hose clamp (3) at the fuel tank.
  6. Tighten
    Tighten the clamp to 4 N·m (35 lb in).


    Object Number: 1837996  Size: SH
  7. Install the fuel tank fill pipe bolt (2) to the underbody side rail.
  8. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  9. Install the right rear wheelhouse liner. Refer to Rear Wheelhouse Panel Liner Replacement .
  10. Lower the vehicle.
  11. Install the fuel tank fill pipe screws (1) to the fuel tank fill pipe housing.
  12. Tighten
    Tighten the screw to 1.5 N·m (13 lb in).

  13. Refill the fuel tank.
  14. Tighten the fuel fill cap.
  15. Inspect for leaks.
  16. 11.1. Turn ON the ignition, with the engine OFF for 10 seconds.
    11.2. Turn OFF the ignition for 10 seconds.
    11.3. Turn ON the ignition, with the engine OFF.
    11.4. Inspect for fuel leaks.